Jeep Grand Cherokee

1993-1999 of release

Repair and car operation



Jeep Grandee Cheroki
+ Jeep Grand Cherokee brand Cars
+ Settings and routine maintenance
+ Ryadny six-cylinder engine
+ V8 Engine
+ Procedures of the general and major maintenance of the engine
+ Systems of cooling, heating and air conditioning
+ the Power supply system and production of the fulfilled gases
+ System of electric equipment of the engine
+ Systems of decrease in toxicity of the fulfilled gases and engine management
+ Manual box of gear shifting
+ Automatic transmission
+ Transfer case
+ Coupling and transmission line
+ Brake system
+ Suspension bracket and steering
+ Body
- System of onboard electric equipment
   General information
   Diagnostics of malfunctions of electric equipment of the chassis - the general information
   Safety locks - the general information
   Fusible inserts - the general information
   Chain breakers (thermal relays) - the general information
   The relay - the general information
   Check of a condition and replacement of the breaker of indexes of turn / alarm system
   Check of serviceability of functioning and replacement of the universal podrulevy switch
   Check of a condition and replacement of the switch of the ignition/cylinder of the lock
   Check of serviceability of functioning of the switch of heating of glass of a door of a back
   Check of a condition and repair of a heater of glass of a door of a back
   Replacement of lamps of head headlights
   Adjustment of provision of head block headlights
   Removal and installation of cases of head block headlights
   Replacement of lamps
   Removal and installation of switches of head headlights and screen wiper of a window of a door of a back
   Removal and installation of a radio tape recorder and loudspeakers
   Removal and aerial installation
   Check of functioning and replacement of the motor of screen wipers
   Removal and installation of a combination of devices
   Check of functioning and horn replacement
   Description of a principle of functioning and diagnostics of a control system by speed (темпостата)
   Description of a principle of action and diagnostics of the electric drive of lowering-podnimaniya of glasses
   Principle of functioning and check of the central lock and system of opening of doors without a key
   Principle of action and check of serviceability of the electric drive of change of provision of seats
   Principle of action and check of serviceability of the electric drive of mirrors back look
   Safety cushion - the general information
   Electric circuits - the general information
   Arrangement and purpose of the relay and safety locks
+ Governing bodies and operation receptions
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Safety cushion - the general information

These cars are equipped with auxiliary restrictive system (SRS), is more often a called safety cushion. The design of system allows to prevent receiving by the driver of serious traumas in case of front blow of the car. The system consists of the module of a safety cushion located in the central part of a steering wheel, two sensors of blow fixed in a forward part of the car and the module of management, the blow also including the sensor located in salon of the car.

Safety cushion module

The module of management of a safety cushion (shooter) is located under the console - be convinced that the yellow socket is not disconnected from it.

The module of a pillow consists of the air bag (pillow) placed in a casing and its device надува. Device assembly надува pillows is fixed on a back part of a casing over an opening in which it is injected gas, an inflating bag almost instantly on an electric signal of system. In a special way the curled wire transmitting this signal to the module carries the name of an hour spring. The spring is twisted from a flat metal electrowire tape which at turn of a steering wheel is braided and untwisted, keeping ability to a signal transmission irrespective of the provision of a wheel.

Sensors

The system is equipped with three sensors: two of them (blow sensors) are located on a car front behind a bumper, third (safety) is in the management module between in the central console forward seats of the car.

Forward sensors of blow represent pressure sensitive to change the sensors switches which are carrying out short circuit of an electric chain at emergence of shock loading of the set size. The electric signal from sensors of blow is sent on the safety sensor in the module of management which finally closes a chain, providing having inflated pillows.

Module of management (ASDM)

ASDM consists of the safety sensor and the onboard microprocessor which is carrying out control of functioning of system. Control is carried out at each start of the engine, providing inclusion of an alarm lamp AIRBAG (safety cushion) for short time (that speaks about serviceability of system). If in system there are malfunctions, the lamp remains included and the module of management of system of safety (ASDM) fixes the corresponding code in the memory. If the alarm lamp does not die away after engine start, the car immediately should be driven away for carrying out diagnostics of system in dealer office of the Chrysler company.

System shutdown

At carrying out any works in vicinities of a steering wheel, a column or near other components of SRS system, it (system) should be temporarily deduced from a ready state. For what it is necessary to undertake the following steps:

 PERFORMANCE ORDER

  1. Turn the ignition key in the situation OFF.
  2. Disconnect a negative wire from the battery.
  3. Wait at least two minutes, necessary for a discharge of the condenser playing a role of the auxiliary power supply

System input in a ready state

For SRS system input in a ready state execute the following actions:

 PERFORMANCE ORDER

  1. Turn the ignition key in the situation OFF.
  2. Connect a wire to the negative plug of the battery.
  3. Turn a key in the situation ON. Make sure that the alarm lamp of system lit up for 6-8 seconds, then went out that confirms serviceability of system.